EP4284052A4 - Endgerät, drahtloskommunikationsverfahren und basisstation - Google Patents

Endgerät, drahtloskommunikationsverfahren und basisstation Download PDF

Info

Publication number
EP4284052A4
EP4284052A4 EP21921041.6A EP21921041A EP4284052A4 EP 4284052 A4 EP4284052 A4 EP 4284052A4 EP 21921041 A EP21921041 A EP 21921041A EP 4284052 A4 EP4284052 A4 EP 4284052A4
Authority
EP
European Patent Office
Prior art keywords
base station
wireless communication
terminal device
communication methods
methods
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21921041.6A
Other languages
English (en)
French (fr)
Other versions
EP4284052A1 (de
Inventor
Yuki Matsumura
Satoshi Nagata
Jing Wang
Lan Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Docomo Inc
Original Assignee
NTT Docomo Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of EP4284052A1 publication Critical patent/EP4284052A1/de
Publication of EP4284052A4 publication Critical patent/EP4284052A4/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
    • H04B7/06956—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping using a selection of antenna panels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
EP21921041.6A 2021-01-22 2021-01-22 Endgerät, drahtloskommunikationsverfahren und basisstation Pending EP4284052A4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/002261 WO2022157932A1 (ja) 2021-01-22 2021-01-22 端末、無線通信方法及び基地局

Publications (2)

Publication Number Publication Date
EP4284052A1 EP4284052A1 (de) 2023-11-29
EP4284052A4 true EP4284052A4 (de) 2024-10-16

Family

ID=82549608

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21921041.6A Pending EP4284052A4 (de) 2021-01-22 2021-01-22 Endgerät, drahtloskommunikationsverfahren und basisstation

Country Status (4)

Country Link
EP (1) EP4284052A4 (de)
JP (1) JP7652806B2 (de)
CN (1) CN116982342A (de)
WO (1) WO2022157932A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12185300B2 (en) * 2021-03-31 2024-12-31 Apple Inc. Channel state information reporting for multi-transmission-reception-point operation

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
MEDIATEK INC: "CSI Enhancement for Multi-TRP", vol. RAN WG1, no. e-Meeting; 20201026 - 20201113, 1 November 2020 (2020-11-01), XP052350892, Retrieved from the Internet <URL:https://ftp.3gpp.org/tsg_ran/WG1_RL1/TSGR1_103-e/Docs/R1-2008960.zip R1-2008960 CSI Enhancement for Multi-TRP.docx> [retrieved on 20201101] *
NTT DOCOMO ET AL: "Discussion on CSI enhancements", vol. RAN WG1, no. e-Meeting; 20201026 - 20201113, 23 October 2020 (2020-10-23), XP051946885, Retrieved from the Internet <URL:https://ftp.3gpp.org/tsg_ran/WG1_RL1/TSGR1_103-e/Docs/R1-2009180.zip R1-2009180.docx> [retrieved on 20201023] *
SAMSUNG: "Views on Rel. 17 CSI enhancements", vol. RAN WG1, no. e-Meeting; 20201026 - 20201113, 23 October 2020 (2020-10-23), XP051946576, Retrieved from the Internet <URL:https://ftp.3gpp.org/tsg_ran/WG1_RL1/TSGR1_103-e/Docs/R1-2008154.zip R1-2008154 R17 CSI final.docx> [retrieved on 20201023] *
See also references of WO2022157932A1 *

Also Published As

Publication number Publication date
JP7652806B2 (ja) 2025-03-27
EP4284052A1 (de) 2023-11-29
WO2022157932A1 (ja) 2022-07-28
JPWO2022157932A1 (de) 2022-07-28
CN116982342A (zh) 2023-10-31

Similar Documents

Publication Publication Date Title
EP4228320A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4376464A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4280643A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4380272A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4336917A4 (de) Endgerät, basisstation und drahtloskommunikationsverfahren
EP4192069A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4325923A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4319390C0 (de) Endgerät, basisstation und drahtloskommunikationsverfahren
EP4383884A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4192071A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4391410A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4290956A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4247038A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4207902A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4287685A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4277323A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4145892A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4336916A4 (de) Endgerät, basisstation und drahtloskommunikationsverfahren
EP4287737A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4243475A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4287694A4 (de) Endgerät, basisstation und drahtloskommunikationsverfahren
EP4231688A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4319391A4 (de) Endgerät, basisstation und drahtloskommunikationsverfahren
EP4391688A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation
EP4243529A4 (de) Endgerät, drahtloskommunikationsverfahren und basisstation

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20230808

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: H04W0016260000

Ipc: H04B0007024000

A4 Supplementary search report drawn up and despatched

Effective date: 20240918

RIC1 Information provided on ipc code assigned before grant

Ipc: H04B 7/06 20060101ALN20240912BHEP

Ipc: H04L 5/00 20060101ALN20240912BHEP

Ipc: H04W 72/04 20230101ALI20240912BHEP

Ipc: H04W 24/10 20090101ALI20240912BHEP

Ipc: H04W 16/26 20090101ALI20240912BHEP

Ipc: H04B 7/024 20170101AFI20240912BHEP